遡さく源げん

noun, noun or participle which takes 'suru', intransitive verb

going to the source; tracing to the origin

Formal or literary term for investigating the root or origin of something, often used in academic or philosophical contexts. Can be used as a noun or with する to mean 'to trace back to the source'.

• 問もん題だいの原げん因いんを遡さく源げんする必ひつ要ようがある。

  We need to trace the problem back to its source.